我试图在 SDL 2.0 中绘制一个矩形轮廓以用作选择框。有谁知道如何在 SDL 2.0 中制作一个?
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您正在寻找SDL_RenderDrawRect:
int SDL_RenderDrawRect(SDL_Renderer* renderer,
const SDL_Rect* rect);
典型用法是:
SDL_Rect rectToDraw = {100,100,100,100} // Just some random rect
//Set Color of Rect with SDL_SetRenderDrawColor if needed
SDL_RenderDrawRect(renderer, &rectToDraw);
要绘制一个填充的矩形,它将使用SDL_RenderFillRect
于 2013-11-19T17:42:34.387 回答